Home / 13,949.28-19,250.28-7,662

Finding the Fourth Proportional to 13,949.28, 19,250.28 and 7,662

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Solution

The fourth proportional to 13,949.28, 19,250.28 and 7,662 is: 10,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.28 : 19,250.28 = 7,662 : x
  2. Step 2: Convert to fraction form
    13,949.28/19,250.28 = 7,662/x
  3. Step 3: Cross multiply
    13,949.28x = 19,250.28 × 7,662
  4. Step 4: Simplify right side
    13,949.28x = 147,495,645.36
  5. Step 5: Solve for x
    x = 147,495,645.36/13,949.28
  6. Step 6: Final answer
    x = 10,573.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.